Use this free, accurate foot-candle to phot calculator to convert between Foot-candle (fc) and Phot (ph). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
0.001076391 Phot
1 fc is equal to 0.001076 ph.
ph = fc × 0.00107639
illuminance Converters
To convert from Foot-candle to Phot, multiply the value in Foot-candle by 0.001076 (or use the formula: ph = fc × 0.001076).
Take your initial measurement in Foot-candle (fc). For instance, let's convert 1 fc.
Multiply by the standard conversion factor (0.001076).
The final converted measurement equals 0.001076 Phot (ph).
Compare standard reference values and common conversion benchmarks.
| Foot-candle (fc) | Phot (ph) | Action |
|---|---|---|
| 1 fc | 0.00108 ph | |
| 2 fc | 0.00215 ph | |
| 3 fc | 0.00323 ph | |
| 5 fc | 0.00538 ph | |
| 10 fc | 0.01076 ph | |
| 15 fc | 0.01615 ph | |
| 20 fc | 0.02153 ph | |
| 25 fc | 0.02691 ph | |
| 50 fc | 0.05382 ph | |
| 75 fc | 0.08073 ph | |
| 100 fc | 0.10764 ph | |
| 250 fc | 0.2691 ph | |
| 500 fc | 0.5382 ph | |
| 1000 fc | 1.07639 ph |
Official standards, measurement systems, and real-world everyday applications.
A US customary unit of illuminance equal to one lumen per square foot (approx. 10.764 lux).
Common Practical Uses
A CGS unit of illuminance equal to 10,000 lux or one lumen per square centimeter.
Common Practical Uses
Calculate from Phot (ph) back to Foot-candle (fc).
Frequently used unit conversions in this category:
Explore other measurement and calculation tools:
There are 0.001076 phots in 1 foot-candles. Exactly 1 fc is equal to 0.001076 ph.
The conversion formula is: Phot = ph = fc × 0.00107639. Applying this to 1 fc gives: 1 × 0.001076 = 0.001076 ph.
To convert in reverse from phots to foot-candles, multiply by the inverse factor: 1 ph = 929.0304 fc. Alternatively, divide your Phot amount by 0.001076.
For quick estimates, divide the Foot-candle value by 929.
Foot-candle (fc) belongs to the US Customary / Imperial system, commonly used in US lighting codes, Commercial architecture, Stage lighting. In comparison, Phot (ph) is part of the CGS system, frequently applied in Optics laboratories, Historical astronomy, Scientific optics.
Key milestones include: 1 fc = 0.001076 ph, 5 fc = 0.0054 ph, 10 fc = 0.0108 ph, 50 fc = 0.0538 ph, and 100 fc = 0.1076 ph.